Book excerpt: Pat Summitt, the all-time winningest coach in NCAA basketball history and bestselling author of Reach for the Summitt and Raise The Roof, tells for the first time her remarkable story of victory and resilience as well as facing down her greatest challenge: early-onset Alzheimer's disease. Pat Summitt was only 21 when she became head coach of the Tennessee Vols women's basketball team. For 38 years, she broke records, winning more games than any NCAA team in basketball history. She coached an undefeated season, co-captained the first women's Olympic team, was inducted into the Basketball Hall of Fame, and was named Sports Illustrated 'Sportswoman of the Year'. She owed her coaching success to her personal struggles and triumphs. She learned to be tough from her strict, demanding father. Motherhood taught her to balance that rigidity with communication and kindness. She was a role model for the many women she coached; 74 of her players have become coaches. Pat's life took a shocking turn in 2011, when she was diagnosed with early-onset Alzheimer's disease, an irreversible brain condition that affects 5 million Americans. Despite her devastating diagnosis, she led the Vols to win their sixteenth SEC championship in March 2012. Pat continued to be a fighter, facing this new challenge the way she's faced every other--with hard work, perseverance, and a sense of humor.